Scientists built the largest-ever map of the human brain. Here’s what they found

Scientists are one step closer to understanding the 170 billion brain cells that allow us to walk, talk, and think.

A newly published atlas offers the most detailed maps yet of the location, structure, and, in some cases, function of more than 3,000 types of brain cells.

“We really need this kind of information if we’re going to understand what makes us unique as humans, or what makes us different as individuals, or how the brain develops,” says Ed Lein, a senior investigator at the Allen Institute for Brain Science in Seattle and one of hundreds of researchers who worked on the maps.


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